Beam



FIG. 1 is a perspective view of a beam showing our new design;

FIG. 2 is a front elevational view thereof; the rear elevational view being a mirror image thereof;

FIG. 3 is a right side elevational view thereof; the left side elevational view being a mirror image thereof;

FIG. 4 is a top plan view thereof, the bottom plan view thereof being a mirror image thereof;

FIG. 5 is a reference front elevational view of the beam, showing a line VI—VI; and,

FIG. 6 is a reference cross-sectional view thereof, taken along the line VI—VI in the direction of arrows shown in FIG. 5.

The broken lines are for illustrative purposes only and form no part of the claimed design. 

We claim, the ornamental design for a beam, as shown and described. 